const crypto = require('crypto');

module.exports = {
    MD5_SUFFIX: 'qwertyuioplkjhgfdsa1234567890!@#$%^&*',
    md5: function(str){
        var obj = crypto.createHash('md5');
        obj.update(str);
        var str = obj.digest('hex');
        return str;
    }
};